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      <OrgDoesNotFollowSFAS117Ind>X</OrgDoesNotFollowSFAS117Ind>
      <CapStkTrPrinCurrentFundsGrp>
        <BOYAmt>96642212</BOYAmt>
        <EOYAmt>65319602</EOYAmt>
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      <PdInCapSrplsLandBldgEqpFundGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
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      <RtnEarnEndowmentIncmOthFndsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>96642212</BOYAmt>
        <EOYAmt>65319602</EOYAmt>
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        <BOYAmt>105382015</BOYAmt>
        <EOYAmt>75612000</EOYAmt>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>-26417174</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-4758373</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>-147063</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleD documentId="IRS990ScheduleD">
      <ArtPublicExhibitionAmountsGrp />
      <HeldWorksArtGrp />
      <CYMinus3YrEndwmtFundGrp />
      <CYMinus4YrEndwmtFundGrp />
      <LandGrp />
      <BuildingsGrp />
      <LeaseholdImprovementsGrp />
      <EquipmentGrp />
      <OtherLandBuildingsGrp />
      <FinancialDerivativesGrp />
      <CloselyHeldEquityInterestsGrp />
      <OtherSecuritiesGrp>
        <Desc>PARTNERSHIPS &amp; VENTURE CAPITAL</Desc>
        <BookValueAmt>22021026</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>22021026</TotalBookValueSecuritiesAmt>
      <FederalIncomeTaxLiabilityAmt>0</FederalIncomeTaxLiabilityAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO BROKER</Desc>
        <Amt>65147</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>ADMINISTRATIVE FEES PAYABLE</Desc>
        <Amt>279770</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>UNRELATED BUS. INCOME TAX PAYA</Desc>
        <Amt>2000000</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>OTHER LIABILITIES</Desc>
        <Amt>7947481</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>10292398</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>66170927</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-4758373</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>51625204</OtherRevenueAmt>
      <RevenueNotReportedAmt>46866831</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>19304096</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>19304096</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>45967427</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>246157</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>246157</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>45721270</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>45721270</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PART X, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUST ESTABLISHED UNDER THE PLAN TO HOLD THE PLAN'S ASSETS IS INTENDED TO QUALIFY AS TAX-EXEMPT PURSUANT TO SECTION 501(C)(9) OF THE IRC AND ACCORDINGLY, THE TRUST'S NET INVESTMENT INCOME IS EXEMPT FROM INCOME TAXES. THE TRUST HAS OBTAINED A FAVORABLE TAX DETERMINATION LETTER DATED DECEMBER 9, 1988, THAT THE PLAN AND RELATED TRUST ARE DESIGNED IN ACCORDANCE WITH APPLICABLE SECTIONS OF THE INTERNAL REVENUE CODE ("IRC") THE PLAN HAS BEEN AMENDED SINCE RECEIVING THE DETERMINATION LETTER. THE PLAN ADMINISTRATOR BELIEVES THE PLAN IS DESIGNED AND IS CURRENTLY BEING OPERATED IN COMPLIANCE WITH APPLICABLE REQUIREMENTS OF THE IRC, EXCEPT AS DESCRIBED BELOW, AND QUALIFIES AS TAX EXEMPT. ACCORDINGLY, INCOME OF THE PLAN IS EXEMPT FROM FEDERAL INCOME TAXES UNDER THE PROVISIONS OF SECTION 401(A) OF THE IRC. PURSUANT TO CERTAIN PROVISIONS OF THE IRC AND STATE TAX STATUTES, A PORTION OF THE INCOME GENERATED BY THE TRUST IS SUBJECT TO AN UNRELATED BUSINESS INCOME TAX ("UBIT"). THE TRUST PAID $2,315,000 FOR UBIT EXPENSE DURING THE YEAR-ENDED DECEMBER 31, 2016, RELATED TO UBIT FOR THE YEARS ENDED DECEMBER 31, 2016 AND 2015. U.S. GAAP REQUIRE PLAN MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN BY THE PLAN AND RECOGNIZE A TAX LIABILITY (OR ASSET) IF THE PLAN HAS TAKEN AN UNCERTAIN POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE INTERNAL REVENUE SERVICE. UNCERTAIN TAX POSITIONS HAVE BEEN CLASSIFIED AS $2,364,245 AND $2,217,191 OF DEFERRED TAX ASSETS AND $7,947,482 AND $7,312,169 OF OTHER LIABILITIES FOR DECEMBER 31, 2016 AND 2015, RESPECTIVELY, IN THE STATEMENT OF NET ASSETS AVAILABLE FOR BENEFITS. THE TOTAL NET AMOUNT OF $5,583,237 AND $5,094,978 IN THE STATEMENT OF NET ASSETS AVAILABLE FOR BENEFITS AS OF DECEMBER 31, 2016 AND 2015, RESPECTIVELY, INCLUDES TOTAL ACCRUED INTEREST AND PENALTIES OF $2,400,705 AND $1,979,472 AS OF DECEMBER 31, 2016 AND 2015, RESPECTIVELY, WHICH IS PART OF OTHER LIABILITIES. NET CHANGE OF $488,258 IN THE LIABILITY RELATED TO UNCERTAIN TAX POSITIONS FOR THE YEAR ENDED DECEMBER 31, 2016 WAS DUE TO DEFERRED TAX ASSET INCREASE OF $147,054 AND OTHER LIABILITIES INCREASE OF $635,312. NET AMOUNT IS INCLUDED IN THE UBIT EXPENSE ON THE STATEMENT OF CHANGES IN NET ASSETS FOR BENEFITS. THE TRUST IS POTENTIALLY SUBJECT TO UBIT EXAMINATIONS BY THE IRS AND BY VARIOUS U.S. STATES HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIODS IN PROGRESS. TAX YEARS 2013 AND ONWARD ARE STILL OPEN TO EXAMINATION BY THE IRS ACCORDING TO THE STATUTE OF LIMITATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEULDE D, PART XI, LINE 2D</FormAndLineReferenceDesc>
        <ExplanationTxt>NET INCREASE IN 401(H) ACCOUNT: $ 51,526,110 PARTNERSHIP INVESTMENTS: $ 99,094 -------------- TOTAL: $ 51,625,204</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PART XII, LINE 2D</FormAndLineReferenceDesc>
        <ExplanationTxt>VENTURE CAPITAL/PARTNERSHIP CONTRIBUTIONS: $ 246,157 -------------- TOTAL: $ 246,157</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="IRS990ScheduleF">
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
        <TypeOfActivitiesConductedTxt>Investments</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>1255985</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Central America and the Caribbean</RegionTxt>
        <TypeOfActivitiesConductedTxt>Investments</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>1090115</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalSpentAmt>2346100</SubtotalSpentAmt>
      <TotalSpentAmt>2346100</TotalSpentAmt>
      <TransferToForeignCorpInd>true</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>true</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>true</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>true</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 1 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>MARS BENEFITS TRUST IS A VOLUNTARY EMPLOYEES' BENEFICIARY ASSOCIATION WHOSE PRIMARY EXEMPT PURPOSE IS TO FUND BENEFITS FOR RETIRED ASSOCIATES AND THEIR ELIGIBLE DEPENDENTS OF THE MARS, INCORPORATED RETIREE HEALTH CARE PLAN. PRIOR TO JANUARY 1, 2013, THE PLAN PROVIDED MEDICAL AND DENTAL BENEFITS TO FULL AND PART-TIME ASSOCIATES CURRENTLY EMPLOYED AND THEIR ELIGIBLE DEPENDENTS AND ASSOCIATES ON LONG-TERM DISABILITY ("LTD") AND THEIR ELIGIBLE DEPENDENTS. THE PLAN ALSO PROVIDED MEDICAL BENEFITS TO ELIGIBLE RETIRED ASSOCIATES AND THEIR ELIGIBLE DEPENDENTS INCLUDING SURVIVORS. MARS, INCORPORATED (THE "COMPANY") HAS A VOLUNTARY EMPLOYEE BENEFICIARY ASSOCIATION TRUST, KNOWN AS THE MARS BENEFIT TRUST (THE "TRUST"). THE PLAN'S INVESTMENTS ARE HELD IN THE TRUST TO PAY FOR HEALTH CARE BENEFITS FOR RETIRED ASSOCIATES AND THEIR ELIGIBLE DEPENDENTS AND SURVIVORS IN THIS PLAN. EFFECTIVE JULY 1, 2012, ACTIVE AND LTD ASSOCIATE BENEFITS WERE NO LONGER PAID THROUGH THE TRUST AND WERE PAID AND CONTINUE TO BE PAID FOR OUT OF THE GENERAL ASSETS OF THE COMPANY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI - GOVERNANCE, MANAGEMENT DISCLOSURE</FormAndLineReferenceDesc>
        <ExplanationTxt>GENERAL PART VI IS ANSWERED FROM THE PERSPECTIVE OF THE TAXPAYER'S TRUSTEE, NORTHERN TRUST. THE EMPLOYER, MARS INC., HAS IN PLACE A BENEFITS PLAN COMMITTEE WHICH HAS OVERSIGHT AND GOVERNING AUTHORITY WITH RESPECT TO ALL COMPLIANCE AND DECISION-MAKING MATTERS RELATED TO THIS TAXPAYER, A VEBA TRUST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI</FormAndLineReferenceDesc>
        <ExplanationTxt>QUESTIONS 8 AND 12-15 THIS ORGANIZATION IS A VOLUNTARY EMPLOYEE BENEFITS ASSOCIATION EXEMPT UNDER IRC SECTION 501(C)(9). ITS TRUSTEE IS A BANK THAT HAS A FIDUCIARY DUTY TO MANAGE INVESTMENTS IN THE INTEREST OF THE BENEFICIARIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI</FormAndLineReferenceDesc>
        <ExplanationTxt>QUESTION 11B PRIOR TO FILING, THE FORM 990 IS REVIEWED BY THE BENEFITS DIRECTOR, INVESTMENT OFFICER AND TAX DIRECTOR OF THE PARENT COMPANY, MARS, INCORPORATED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI</FormAndLineReferenceDesc>
        <ExplanationTxt>QUESTION 19 AS A 501(C)(9) ORGANIZATION, THE TRUST IS NOT REQUIRED TO MAKE ITS CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE GENERAL PUBLIC. THE TRUST GOVERNING DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI</FormAndLineReferenceDesc>
        <ExplanationTxt>QUESTION 9 OTHER CHANGES IN NET ASSETS PARTNERSHIP INVESTMENTS: $ 99,094 VENTURE CAPITAL/PARTNERSHIP CONTRIBUTIONS: $ (246,157) ------------- TOTAL: $ (147,063)</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII</FormAndLineReferenceDesc>
        <ExplanationTxt>QUESTION 2C THE U.S. BENEFIT PLANS COMMITTEE MEETS ANNUALLY TO REVIEW FINANCIAL STATEMENTS AND AUDIT RESULTS WITH THE INDEPENDENT ACCOUNTANTS OF THE PARENT COMPANY, MARS, INCORPORATED.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>MARS INCORPORATED</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>6885 ELM STREET</AddressLine1Txt>
          <CityNm>MCLEAN</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>22101</ZIPCd>
        </USAddress>
        <EIN>221594774</EIN>
        <PrimaryActivitiesTxt>FOOD &amp; CANDY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C CORP</EntityTypeTxt>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>true</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>